The utility model discloses a children's balance vehicle. The children's balance vehicle at least comprises a front frame, a handle group, a rear fork, a seat tube and a fixing assembly, wherein the front frame is provided with a front fork, a front wheel is assembled and arranged below the front fork, a vertical tube is arranged above the front fork, and a frame body is also arranged behind the vertical tube; the handle group is arranged above the vertical tube; the rear fork is provided with a plastic body and mounted behind the frame body; a rear wheel is assembled and arranged below the rear fork; the seat tube is arranged between the frame body and the plastic body of the rear fork in a penetrating manner; a seat cushion is also arranged above the seat tube; and the fixing assembly is arranged among the frame body, the plastic body of the rear fork and the seat tube in a penetrating manner to assemble and fix the frame body, the plastic body of the rear fork and the seat tube, and the whole children's balance vehicle can be assembled through the simple fixing assembly. According to the children's balance vehicle, a child can know motions of a two-wheeled vehicle, and the balance sense of the child and the coordination of the brain can be trained.